/*

 Copyright (C) 2014 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 */

#import "AAPLAppDelegate.h"

#import "AAPLDataSource.h"

#import "AAPLViewController.h"

@interface AAPLAppDelegate ()

@property (nonatomic, readwrite) AAPLDataSource *dataSource;

@end

#pragma mark -

@implementation AAPLAppDelegate

// easy access to our primary collection view controller

- (AAPLViewController *)primaryViewController

{

    UINavigationController *navigationController = (UINavigationController *)self.window.rootViewController;

    return (navigationController.viewControllers)[0];

}

- (BOOL)application:(UIApplication *)application willFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    // setup and restore our data source of images

    self.dataSource = [[AAPLDataSource alloc] init];

    [UIApplication registerObjectForStateRestoration:self.dataSource restorationIdentifier:@"DataSource"];

    // hand off the data source to our primary collection view controller

    AAPLViewController *primaryViewController = [self primaryViewController];

    primaryViewController.dataSource = self.dataSource;

    [self.window makeKeyAndVisible];

    return YES;

}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    // any app setup done here after state restoration has occurred

    //

    return YES;

}

#pragma mark - NSUserActivity

- (BOOL)application:(UIApplication *)application willContinueUserActivityWithType:(NSString *)userActivityType {

    AAPLViewController *primaryViewController = [self primaryViewController];

    primaryViewController.dataSource = self.dataSource;

    //NSLog(@"%s: Preparing for activity with type %@, viewController is %@", __PRETTY_FUNCTION__, userActivityType, primaryViewController);

    [primaryViewController prepareForActivity];

    return YES;

}

// Called on the main thread after the NSUserActivity object is available.

// Use the data you stored in the NSUserActivity object to re-create what the user was doing.

// You can create/fetch any restorable objects associated with the user activity, and pass them to the restorationHandler.

//

- (BOOL)application:(UIApplication *)application continueUserActivity:(NSUserActivity *)userActivity restorationHandler:(void (^)(NSArray *))restorationHandler {

    UINavigationController *navigationController = (UINavigationController *)self.window.rootViewController;

    AAPLViewController *viewController = (AAPLViewController *)(navigationController.viewControllers)[0];

    //NSLog(@"%s: Handling activity %@, viewController is %@", __PRETTY_FUNCTION__, userActivity, viewController);

    [viewController handleUserActivity:userActivity];

    restorationHandler(@[navigationController, viewController]);

    return YES;

}

// If the user activity cannot be fetched after willContinueUserActivityWithType is called,

// this will be called on the main thread when implemented.

//

- (void)application:(UIApplication *)application didFailToContinueUserActivityWithType:(NSString *)userActivityType error:(NSError *)error {

    UINavigationController *navigationController = (UINavigationController *)self.window.rootViewController;

    AAPLViewController *viewController = (AAPLViewController *)(navigationController.viewControllers)[0];

    //NSLog(@"%s: Failed to continue activity type: %@", __PRETTY_FUNCTION__, userActivityType);

    // tell our  view controller to handle failure to get activity

    [viewController handleActivityFailure];

}

// This is called on the main thread when a user activity managed by UIKit has been updated.

// You can use this as a last chance to add additional data to the userActivity.

//

- (void)application:(UIApplication *)application didUpdateUserActivity:(NSUserActivity *)userActivity {

    //NSLog(@"%s: Did update user activity: %@", __PRETTY_FUNCTION__, userActivity);

}

#pragma mark - UIStateRestoration

- (BOOL)application:(UIApplication *)application shouldSaveApplicationState:(NSCoder *)coder {

    return YES;

}

- (BOOL)application:(UIApplication *)application shouldRestoreApplicationState:(NSCoder *)coder {

    return YES;

}

@end